chessground12
Version:
Extended lishuuro.org Chess UI
2 lines (1 loc) • 33.2 kB
JavaScript
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Map;if(e.lastMove&&e.highlight.lastMove)for(let n of e.lastMove)n!=="a0"&&T(o,n,"last-move");if(e.check&&e.highlight.check&&T(o,e.check,"check"),e.selected){if(T(o,e.selected,"selected"),e.movable.showDests){let n=e.movable.dests?.get(e.selected);if(n)for(let a of n)T(o,a,"move-dest"+(e.pieces.has(a)?" oc":""));let i=e.premovable.dests;if(i)for(let a of i)T(o,a,"premove-dest"+(e.pieces.has(a)?" oc":""))}}else if(e.dropmode.active||e.draggable.current?.orig==="a0"){let n=e.dropmode.active?e.dropmode.piece:e.draggable.current?.piece;if(n){if(e.dropmode.showDropDests&&n.color===e.turnColor){let i=e.movable.dests?.get(Y(n.role));if(i)for(let a of i)T(o,a,"move-dest")}else if(e.predroppable.showDropDests){let i=e.predroppable.dropDests;if(i)for(let a of i)T(o,a,"premove-dest"+(e.pieces.get(a)?" oc":""))}}}let t=e.premovable.current;if(t)for(let n of t)T(o,n,"current-premove");else e.predroppable.current&&T(o,e.predroppable.current.key,"current-premove");let r=e.exploding;if(r)for(let n of r.keys)T(o,n,"exploding"+r.stage);return o}function T(e,o,t){let r=e.get(o);r?e.set(o,`${r} ${t}`):e.set(o,t)}function Ge(e,o,t){let r=e.get(o);r?r.push(t):e.set(o,[t])}function Uo(e,o){let t=e.dom.elements.board;if("ResizeObserver"in window&&new ResizeObserver(o).observe(e.dom.elements.wrap),e.viewOnly)return;let r=Ot(e);t.addEventListener("touchstart",r,{passive:!1}),t.addEventListener("mousedown",r,{passive:!1}),(e.disableContextMenu||e.drawable.enabled)&&t.addEventListener("contextmenu",n=>n.preventDefault())}function zo(e,o){let t=[];if("ResizeObserver"in window||t.push(ce(document.body,"chessground.resize",o)),!e.viewOnly){let r=Io(e,io,_e),n=Io(e,ao,Je);for(let a of["touchmove","mousemove"])t.push(ce(document,a,r));for(let a of["touchend","mouseup"])t.push(ce(document,a,n));let i=()=>e.dom.bounds.clear();t.push(ce(document,"scroll",i,{capture:!0,passive:!0})),t.push(ce(window,"resize",i,{passive:!0}))}return()=>t.forEach(r=>r())}function ce(e,o,t,r){return e.addEventListener(o,t,r),()=>e.removeEventListener(o,t,r)}function Ot(e){return o=>{e.draggable.current?U(e):e.drawable.current?Ae(e):o.shiftKey||pe(o)?e.drawable.enabled&&Xe(e,o):e.viewOnly||(e.dropmode.active&&(Wo(e,o)===void 0||e.movable.color!==e.turnColor&&Wo(e,o)?.color===e.turnColor)?uo(e,o):(j(e),no(e,o)))}}function Io(e,o,t){return r=>{e.drawable.current?e.drawable.enabled&&t(e,r):e.viewOnly||o(e,r)}}function Wo(e,o){let t=A(o),r=t&&K(t,y(e),e.dom.bounds(),e.geometry);if(r&&e.pieces.get(r))return e.pieces.get(r)}function Mi(e,o,t,r,n){let i=No();ve(i,o||{});function a(){let c="dom"in i?i.dom.unbind:void 0,s=Oo(e,i),l=je(()=>s.board.getBoundingClientRect()),p=h=>{qo(m),Co(m),!h&&s.svg&&Lo(m,s.svg,s.customSvg)},d=()=>{$e(m),Go(m)};s.pocketTop&&(r=s.pocketTop),s.pocketBottom&&(n=s.pocketBottom),ko(i,s,r,n);let m=i;return m.dom={elements:s,bounds:l,redraw:Vt(p),redrawNow:p,unbind:c},m.drawable.prevSvgHash="",$e(m),p(!1),Uo(m,d),c||(m.dom.unbind=zo(m,d)),m.events.insert&&m.events.insert(s),m}return Ao(a(),a)}function Vt(e){let o=!1;return()=>{o||(o=!0,requestAnimationFrame(()=>{e(),o=!1}))}}export{Mi as Chessground};